Video: New Step Up Revolution trailer, plus live performance on SYTYCD with show alums

On July 18, So You Think You Can Dance aired a new trailer for the upcoming movie Step Up Revolution, produced by John Chu and Adam Shankman. Then, several of the dancers appeared on stage, including SYTYCD alums Phillip Chbeeb (also a member of IaMmE), Twitch, and Kathryn McCormick